From 3fc18437f905f18aa4bf3b688930dbc68f8721b3 Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson@vistahigherlearning.com>
Date: Sat, 23 Oct 2021 17:09:34 -0400
Subject: Lots of tweaks and also sprite animations!

---
 bonnie-bee/player.scm | 39 +++++++++++++++++++++++++++++++++------
 1 file changed, 33 insertions(+), 6 deletions(-)

(limited to 'bonnie-bee/player.scm')

diff --git a/bonnie-bee/player.scm b/bonnie-bee/player.scm
index 0d7f1e0..f990657 100644
--- a/bonnie-bee/player.scm
+++ b/bonnie-bee/player.scm
@@ -32,8 +32,8 @@
 (define %max-pollen 50)
 
 (define-class <player> (<actor>)
-  (move-left? #:accessor move-left? #:init-value #f)
-  (move-right? #:accessor move-right? #:init-value #f)
+  (move-left? #:accessor move-left? #:init-value #f #:watch? #t)
+  (move-right? #:accessor move-right? #:init-value #f #:watch? #t)
   (move-down? #:accessor move-down? #:init-value #f)
   (move-up? #:accessor move-up? #:init-value #f)
   (shoot? #:accessor shoot? #:init-value #f #:watch? #t)
@@ -48,16 +48,43 @@
 
 (define-method (on-boot (player <player>))
   (attach-to player
-             (make <atlas-sprite>
+             (make <animated-sprite>
+               #:name 'sprite
                #:atlas bee-atlas
-               #:index 12
-               #:origin (vec2 16.0 16.0))))
+               #:origin (vec2 16.0 16.0)
+               #:animations `((default . ,(make <animation>
+                                            #:frames #(0 1)
+                                            #:frame-duration 0.05))
+                              (move-left . ,(make <animation>
+                                              #:frames #(2 3)
+                                              #:frame-duration 0.05))
+                              (move-right . ,(make <animation>
+                                               #:frames #(4 5)
+                                               #:frame-duration 0.05))
+                              (idle . ,(make <animation>
+                                         #:frames #(0 1)
+                                         #:frame-duration 0.75))))))
+
+(define-method (update-animation (player <player>))
+  (change-animation (& player sprite)
+                    (cond
+                     ((and (move-left? player)
+                           (not (move-right? player)))
+                      'move-left)
+                     ((and (not (move-left? player))
+                           (move-right? player))
+                      'move-right)
+                     (else
+                      'default))))
 
 (define-method (on-change (player <player>) slot-name old new)
   (case slot-name
     ((shoot?)
      (when (and new (not (and old new)))
-       (set! (last-shot player) 0)))))
+       (set! (last-shot player) 0)))
+    ((move-left? move-right?)
+     (unless (eq? old new)
+       (update-animation player)))))
 
 (define-method (after-move (player <player>))
   (let ((p (position player)))
-- 
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